Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
199
NOAA NCEI Environmental Data Archive (via DataONE)
175
Zenodo
20
Directory of Open Access Journals: DOAJ Articles
15
PANGAEA - Data Publisher for Earth & Environmental Science
7
E-Journal Universitas Udayana
5
Hunter Library Digital Collections (Western Carolina University)
4
The University of Utah: J. Willard Marriott Digital Library
4
WikiBooks - Open-content textbooks
4
Airlangga University: UNAIR Repository
3
Bogor Agricultural University: IPB Scientific Repository (Institut Pertanian Bogoar)
3
Research Data Australia (Australian National Data Service - ANDS)
3
Unknown
3
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2
BRGM: HAL (Bureau de Recherches Géologiques et Minières)
2
Bellevue University: Digital Archive Collection
2
Defense Technical Information Center: DTIC Technical Reports database
2
Diponegoro University: Institutional Repository (UNDIP-IR)
2
IOP Publishing (via Crossref)
2
ISI Denpasar (Indonesia Institute of The Arts): Institutional Repository
2
PALNI Digital Library Collections (Private Academic Library Network of Indiana)
2
University of Lethbridge Digitized Collections
2
Université de Nantes: HAL-UNIV-NANTES
2
COS Center for Open Science (via Crossref)
1
Cambridge University Press
1
DergiPark Akademik (E-Journals)
1
Digital Commons @ Wofford College
1
Digital Commons University of South Florida (USF)
1
Digital Repository of Scientific Institutes (RCIN)
1
Digital.CSIC (Spanish National Research Council)
1
EJournal Universitas Pendidikan Ganesha (Undiksha)
1
Federation University Australia: Federation ResearchOnline
1
George Mason University: MARS
1
GettDigital (Gettysburg College Digital Collections)
1
Hathi Trust Digital Library
1
IFPRI Knowledge Collections (International Food Policy Research Institute)
1
Indian Academy of Sciences: Publication of Fellows
1
Jagiellonian University Repository
1
James Cook University, Australia: ResearchOnline@JCU
1
Joint Research Centre, European Commission: JRC Publications Repository
1
Jurnal Institut Seni Indonesia Denpasar
1
Jurnal Universitas 17 Agustus 1945 Surabaya
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
1
NASA Technical Reports Server (NTRS)
1
North Dakota State University (NDSU): Digital Horizons
1
OJS LP2MPP ISI Denpasar
1
OLAC: Open Language Archives Community
1
OpenEdition
1
PQDT Open: Open Access Dissertations and Theses (ProQuest)
1
more ...